Down4Sound DOWN4SOUND JP43 BLACK GLOSS | 4300W RMS AMPLIFIER

Description Videos Warranty Information Additional Information 1 Review Description Introducing the Down4Sound JP43, a monoblock amplifier that delivers a staggering 4300W RMS—and that's just the beginning. Engineered for bass aficionados, this is not your average 4000W amp. It's a sonic juggernaut designed to unleash monstrous, storm-level bass from your subwoofer. Advanced Features for Peak Performance Dual Power and Ground Inputs : For optimal power stability, we've incorporated dual power and ground inputs. High-Quality RCA Connectors : Equipped with true Tiffany RCA connectors for unmatched signal integrity. Instant Cooling Fan : The internal fan kicks in as soon as you power up, ensuring the amplifier stays cool during intense usage. Color : Black Warranty Requires Electrical Upgrade To unlock the full potential of this amplifier, a mandatory electrical upgrade is essential. Failure to meet these requirements will void the warranty. You'll need: The Big 3 Upgraded Alternator Reserve Battery(s) Power Ratings (Tested at 14.4V @ 1% THD) 1-ohm : 4300W RMS 2-ohm : 2300W RMS 4-ohm : 1300W RMS Additional Technical Specifications Frequency Response : 14Hz – 260Hz Signal-to-Noise Ratio : 89dB Damping Factor : < 400 Efficiency at 4-ohm : 94% Input Sensitivity : 6V – 0.2V Subsonic Filter : 10Hz – 50Hz Low Pass Filter : 35Hz – 250Hz Phase Control : 0 – 180 degrees Strappable Connection : Yes Speaker Connection : Compatible down to half an ohm Fusing : 400A Total (200A for each positive input) Clipping Indicator : Yes BT Remote Control : Features voltage and temperature display, along with a clipping indicator Power Connection for BT Remote : C-type (external battery pack or USB power required; unit does not have rechargeable batteries) Speaker Output : 4-gauge Power Inputs : 2 x 0-gauge Operating Voltage : 9 to 16 Volts Dimensions : 15.75" (L) x 9.37" (W) x 2.64" (H) Country of Origin : Made in South Korea JP43 Manual For a comprehensive guide on installation and operation, please refer to the JP43 Manual included with your purchase. Elevate your audio experience to new heights with the Down4Sound JP43 Amplifier in Black. Order yours today and feel the bass like never before! View All Close Videos Down4Sound JP43 4300W Amp Dyno Test and Demo with 6000W Subwoofer at 1/2 ohm!! [4K] #AmpDyno #Amplifier #Bass The 2nd in the lineup of new JP "mad... View All Close Warranty Information Warranty Information Your new Down4Sound product is covered by 1 limited warranty if purchased from Down4Sound or an authorized Down4Sound dealer. This warranty does not cover improper installation, accidental damage, misuse, abuse, improper wiring, operation of unit outside of listed specifications, or any product that has been modified or repaired by anyone other than Down4Sound. Your warranty covers defects in materials and/or workmanship ONLY and is not an insurance policy. The warranty only covers the original owner of the amplifier. All warranty returns must be accompanied by the original sales invoice or receipt. You must contact us to request an RMA number prior to sending any returns via the RMA request form on our websi te. You are responsible for the cost of shipping your product back to us for warranty examination. If your product is covered under warranty, shipping back to you will be at no charge to you – if your product is replaced/repaired outside of warranty you must pay for return shipping and repair bill prior returning of the product or if no defect is found you are required to pay for return shipping only. At the sole discretion of Down4Sound your product will be either repaired or replaced when it is being covered under warranty. In the event of shipping damage due to improper packaging on products being returned to Down4Sound the customer is liable for the cost of all damages, necessary repairs, or replacement. Be sure to properly pack your return! * Extended additional warranty purchased on amplifiers take in affect from the date of purchase and must also be stated on orginal sales invoice or receipt. Refund/Return Policy: https://www.down4soundshop.com/shipping-returns/ Down4Sound - Hours of Operation Monday 6am - 9pm PDT Tuesday 6am - 9pm PDT Wednesday 6am - 9pm PDT Thursday 6am - 9pm PDT Friday 6am - 9pm PDT Saturday 8am - 4pm PDT Sunday Closed View All Close Additional Information Amplifier Type: MONOBLOCK Amplifier Color: BLACK Product Type: Amplifier View All Close 1 Review 5 Crazy Underrated Posted by Russo Borneo on Jun 02, 2025 Dropping 7500w 1ohm no problem as long as voltage stays above 14.7v. Clip light stayed off till 8000w+ 1ohm. View All Close